Quiz on Intro to Metabolism: Different Levels of organization

What is the primary role of the liver in glucose metabolism?

• To synthesize fatty acids

• To regulate blood glucose concentration

• To store amino acids

• To produce ketone bodies

Which organelle is primarily responsible for the citric acid cycle?

• Endoplasmic reticulum

• Mitochondrion

• Golgi apparatus

• Nucleus

What is the main fuel reserve of the body?

• Glucose

• Glycogen

• Triacylglycerol

• Protein

Which metabolic pathway occurs in the cytosol?

• Citric acid cycle

• Ketogenesis

• Glycolysis

• β-oxidation

What is the fate of chylomicron triacylglycerol after absorption?

• Directly taken up by the liver

• Metabolized by tissues with lipoprotein lipase

• Stored in adipose tissue

• Converted to glucose

What is the primary function of lipoprotein lipase?

• To hydrolyze triacylglycerol

• To synthesize proteins

• To regulate blood glucose

• To produce ketone bodies

Which of the following is NOT a substrate for gluconeogenesis?

• Amino acids

• Fatty acids

• Glycerol

• Lactate

What is the role of the endoplasmic reticulum in metabolism?

• Protein synthesis

• Fatty acid oxidation

• Triacylglycerol synthesis

• Glycogen storage

Which tissue primarily utilizes glucose as its only fuel?

• Brain

• Liver

• Adipose tissue

• Skeletal muscle

What is produced during the anaerobic utilization of glucose in skeletal muscle?

• Urea

• Fatty acids

• Glycogen

• Lactate